package cn.tedu.sp06.controller;

import cn.tedu.sp01.pojo.Item;
import cn.tedu.sp01.pojo.Order;
import cn.tedu.sp01.pojo.User;
import cn.tedu.web.util.JsonResult;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.client.RestTemplate;

import javax.validation.constraints.Past;
import java.util.List;

@RestController
@Slf4j
public class RibbonController {
    @Autowired
    private RestTemplate restTemplate;

    @HystrixCommand(fallbackMethod="getItemsFB")
    @GetMapping("/item-service/{orderId}")
    public JsonResult<List<Item>> getItems(@PathVariable String orderId){
        //调用远程的商品服务，获得订单的商品列表
        //{1}-RestTemplate自己定义的一种占位符格式
       return restTemplate.getForObject("http://item-service/{1}", JsonResult.class, orderId);
    }

    @HystrixCommand(fallbackMethod="decreaseNumberFB")
    @PostMapping("/item-service/decreaseNumber")
    public JsonResult<?> decreaseNumber(@RequestBody List<Item> items){
        return restTemplate.postForObject("http://item-service/decreaseNumber",
                items,
                JsonResult.class);
    }

    @HystrixCommand(fallbackMethod="getUserFB")
    @GetMapping("/user-service/{userId}")
    public JsonResult<User> getUser(@PathVariable Integer userId){
        return restTemplate.getForObject("http://user-service/{1}", JsonResult.class,userId);
    }

    @HystrixCommand(fallbackMethod="addScoreFB")
    @GetMapping("/user-service/{userId}/score")
    public JsonResult<?> addScore(@PathVariable Integer userId,
                                  @RequestParam Integer score){
        return restTemplate.getForObject("http://user-service/{1}/score?score={2}",JsonResult.class,
                userId,score);
    }


    @HystrixCommand(fallbackMethod="getOrderFB")
    @GetMapping("/order-service/{orderId}")
    public JsonResult<Order> getOrder(@PathVariable String orderId){
        return restTemplate.getForObject("http://order-service/{1}", JsonResult.class,orderId);
    }


    @HystrixCommand(fallbackMethod="getOrderFB")
    @GetMapping("/order-service")
    public JsonResult<?> addOrder(){
        return restTemplate.getForObject("http://order-service/", JsonResult.class);
    }

////////////////////


    public JsonResult<List<Item>> getItemsFB(String orderId){
       return JsonResult.err().msg("获取订单的商品列表失败");
    }


    public JsonResult<?> decreaseNumberFB(List<Item> items){
        return JsonResult.err().msg("减少商品库存失败");
    }


    public JsonResult<User> getUserFB(Integer userId){
        return JsonResult.err().msg("获取用户失败");
    }


    public JsonResult<?> addScoreFB(Integer userId,
                                  Integer score){
        return JsonResult.err().msg("增加用户积分失败");
    }



    public JsonResult<Order> getOrderFB(String orderId){
        return JsonResult.err().msg("获取订单失败");
    }



    public JsonResult<?> addOrderFB(){
        return JsonResult.err().msg("获取订单的商品列表失败");
    }





}
